Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows:

FVAU01 at 16:55 UTC, 07/04/26 from ADRM
VA ADVISORY
DTG: 20260407/1700Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA...

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows:

FVXX21 at 16:34 UTC, 07/04/26 from KNES
VA ADVISORY
DTG: 20260407/1632Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W0782...

Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:

FVFE01 at 15:10 UTC, 07/04/26 from RJTD
VA ADVISORY
DTG: 20260407/1510Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SOURCE ELEV: 2435M AMSL
ADVISORY NR: 2026/64
INFO SOURCE: HIMAWARI-9 PHIVOLCS
...

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:

FVXX23 at 14:18 UTC, 07/04/26 from KNES
VA ADVISORY
DTG: 20260407/1416Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W...

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 05 kts in E direction.
The full report is as follows:

FVAU02 at 13:20 UTC, 07/04/26 from ADRM
VA ADVISORY
DTG: 20260407/1330Z
VAAC: DARWIN
VOLCANO: SEMERU 2633...